drm/msm/dpu: bail from _dpu_core_perf_crtc_update_bus if there are no ICC paths

Skip bandwidth aggregation and return early if there are no interconnect
paths defined for the DPU device.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/550195/
Link: https://lore.kernel.org/r/20230730010102.350713-3-dmitry.baryshkov@linaro.org
This commit is contained in:
Dmitry Baryshkov
2023-07-30 04:00:54 +03:00
parent f15de4f624
commit 808c92df65

View File

@@ -217,6 +217,9 @@ static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms,
int i, ret = 0;
u64 avg_bw;
if (!kms->num_paths)
return 0;
drm_for_each_crtc(tmp_crtc, crtc->dev) {
if (tmp_crtc->enabled &&
curr_client_type ==
@@ -234,9 +237,6 @@ static int _dpu_core_perf_crtc_update_bus(struct dpu_kms *kms,
}
}
if (!kms->num_paths)
return 0;
avg_bw = perf.bw_ctl;
do_div(avg_bw, (kms->num_paths * 1000)); /*Bps_to_icc*/